Pyrotechnic launching tube fastening device



FIG. 1 is a front elevational view of a new and novel design of a pyrotechnic launching tube fastening device.

FIG. 2 is a bottom view of FIG. 1.

FIG. 3 is a top plan view of FIG. 1.

FIG. 4 is a longitudinal cross-section view taken of FIG. 1; and,

FIG. 5 is a side elevation view of FIG. 1. 

The ornamental design for pyrotechnic launching tube fastening device, as shown and described. 